2. Where the rules for the banking or investment services sector are to be applied, own funds requirements as laid down in Chapter 1 of Title I of Part Three of Regulation (EU) No 575/2013 and requirements pursuant to that Regulation or to Directive 2013/36/EU to hold own funds in excess of those requirements, including a requirement arising from the internal capital adequacy assessment process in Article 73 of that Directive, any requirement imposed by a competent authority pursuant to Article 104(1)(a) of that Directive, the combined buffer requirement as defined in Article 128(6) of that Directive, and measures adopted pursuant to Articles 458 or 459 of Regulation (EU) No 575/2013 shall be considered to be the solvency requirements for the purpose of the calculation of the supplementary capital adequacy requirements.